After my parents passed away, only my older brother and his wife Ayumi lived in the family home. I used to visit often, but after a certain incident, I distanced myself from the family home. One day, at a drinking party, I betrayed my brother. Then one day, Typhoon No. 19 struck directly. I was caught in the heavy rain and sought shelter at the family home. However, that night the trains stopped running, and my brother couldn't return from work. Ayumi, who had just returned from shopping, was soaked to the bone and not wearing a bra, leaving us two alone…
